Capital Ships

Biodata

Feature	Information
Name	Capital Ships (主力舰)
Affiliation	Operated by the German Imperial Navy and rival national navies, including Britain, the United States, the Island Nation, and Austro-Hungary 618 983 1249 1478
Occupation / Role	Decisive fleet combatants; principally battleships and battlecruisers 421 845
Status	Still militarily relevant, but progressively displaced as the primary naval striking arm by aircraft carriers and carrier-based aircraft 409 1003 1309
First Appearance	Chapter 5

Classification

Capital ships are the largest and most heavily armed surface combatants in the novel's naval forces. The term primarily encompasses battleships and battlecruisers, which form the core of fleet battle lines. Cruisers and destroyers instead perform reconnaissance, screening, escort, and torpedo-attack duties. 421 845

• Battleships — Heavily armored battle-line vessels built around large-caliber main batteries and sustained gunfire.
• Battlecruisers — Fast capital ships whose firepower rivals battleships; their armor is normally lighter, though German designs narrow this gap substantially. 48 144
• Pre-dreadnoughts — Older battleships using mixed-caliber main batteries. The all-big-gun revolution renders them increasingly obsolete. 13 17 38
• Dreadnoughts — All-big-gun battleships designed for long-range engagement and unified fire control. 19 38

Design Principles

Feature	Significance
All-big-gun armament	A single large main-gun caliber allows unified fire control and remains effective at long range, where smaller guns become ineffective. 19 38
Heavy armor	Belt, turret, deck, and conning-tower armor determine whether a ship can survive capital-ship gunfire. German designs emphasize protection and survivability over merely carrying large guns. 33 244
Speed	Speed enables a force to disengage from an unfavorable battle or pursue a retreating enemy. Oil-fired boilers and steam turbines are adopted to improve speed and endurance. 19
Gun caliber	Larger guns provide greater range, armor penetration, and destructive power; Oscar summarizes the doctrine as “Caliber is truth.” 43
Radar	Gun-laying radar gives a major advantage in night engagements, allowing capital ships to engage accurately at ranges where opponents without it struggle to return fire. 1263 1266

Documented German Designs

Class / Design	Displacement	Main Armament	Performance and Protection
Nassau-class	18,500 tons standard; 20,500 tons full load	Three triple 305 mm/45-caliber turrets	21 knots; 305 mm main belt, turret-face, and conning-tower armor. Designed as Germany's new all-big-gun battleship. 21
Post-Nassau battleship design	23,500 tons standard; 25,500 tons full load	Three triple 343 mm/50-caliber turrets	23 knots; 330 mm main belt, turret-face, and conning-tower armor. Its larger guns, thicker armor, and higher speed surpass the Nassau design. 44
Kaiser-class	28,500 tons standard; 32,500 tons full load	Three triple 343 mm/50-caliber turrets	23 knots; 350 mm main belt, turret-face, and conning-tower armor. An enlarged, better-protected development of the Helgoland-class. 92
German battlecruiser design	26,000 tons full load	Three triple 305 mm/50-caliber turrets	26 knots; 305 mm main belt, turret-face, and conning-tower armor—far heavier protection than contemporary British battlecruisers. 49
Derfflinger-class	35,000 tons	Three triple 380 mm main-gun turrets	27.5 knots; 350 mm belt, turret, and conning-tower armor. It can serve in a battle line despite being classified as a battlecruiser. 144 244
New Kaiser-class	—	410 mm/50-caliber main guns	A continuation and refit built on captured, partly completed British Lion-class hulls. 984 985

Historical Development

Oscar's naval strategy begins from the recognition that Germany cannot match Britain in capital-ship numbers. He instead advocates building fewer but individually superior ships, arguing that every German class must be capable of overpowering its British counterpart. 5 17 140

The launch of HMS Dreadnought establishes the all-big-gun era and makes older mixed-battery battleships obsolete. Oscar's earlier battleship proposal follows the same all-big-gun principle but uses three triple 305 mm turrets, enabling all nine guns to fire on a broadside. 38 40

German capital-ship construction subsequently combines heavy armor, large-caliber guns, oil-fired boilers, and steam turbines. This design philosophy gives German battlecruisers protection comparable to, or greater than, many British battleships while preserving high speed. 49 144 244

By the High Seas Fleet's peak, Germany fields 36 advanced battleships and battlecruisers. However, naval leadership already recognizes that aircraft carriers will eventually replace capital ships as the main striking force. 409

Combat Role

Fleet Engagements

Capital ships are the decisive force in conventional fleet battles, exchanging heavy shells at long range to cripple or sink enemy battleships and battlecruisers. Their performance depends on gun caliber, armor, speed, fire control, crew quality, intelligence, and tactics. 163 421

• German 380 mm guns outrange and outmatch British 343 mm weapons during the battlecruiser duel, with a hit capable of disabling multiple main turrets. 249
• Superior armor can render enemy hits ineffective; a British shell striking Derfflinger's conning tower fails to penetrate. 249
• Numerical superiority remains decisive even against heavily armored modern ships. 1519 1521

Carrier Interdiction

Capital ships remain highly dangerous to aircraft carriers when they can close the distance, especially at night when carrier aircraft cannot operate.

• A capital ship's main guns can heavily damage or sink a carrier with a single successful hit. 1259 1667
• Island Nation battlecruisers are assigned to raid German carriers because their speed and 410 mm guns make them suitable for a surprise attack. 1259
• Despite carrier dominance, capital ships retain an important role in night combat and shore bombardment. 1309 1628

Shore Bombardment

Capital ships can employ their heavy guns against land targets and naval bases.

• American Montana-class battleships attack German installations in the Azores. 1510
• Older German capital ships remain effective in ground-attack missions, where their 380 mm guns retain formidable destructive power. 1628

Story Role / Major Arcs

• Dreadnought arms race — Britain and Germany compete to field superior all-big-gun capital ships, with Germany relying on qualitative superiority against Britain's greater financial and shipbuilding capacity. 17 38 88
• High Seas Fleet expansion — German battleships and battlecruisers become the core of a fleet intended to defeat the Royal Navy in a decisive North Sea battle. 163 421
• Carrier transition — The first carrier strikes demonstrate that aircraft can threaten capital ships beyond gun range, prompting Germany to cease new capital-ship construction in favor of carrier development. 409 442 1003
• Five Grand Fleets — Germany retains its capital ships because carriers cannot yet fully replace them in every theater; the fleet is divided among global commands. 845 846
• Austro-Hungarian interception — Germany assembles 22 capital ships from three fleets to intercept the Austro-Hungarian Navy, producing the largest capital-ship showdown since the previous world war. 983 993
• Pacific capital-ship duel — German Pacific and Indian Ocean Fleet forces converge with 15 capital ships against the Island Nation's main fleet, using gun-laying radar to dominate the night engagement. 1263 1266
• Battle of the Azores — German and American capital-ship formations clash; Germany's numerical advantage is tested by the heavily armed and armored American Iowa- and Montana-class battleships. 1507 1521 1524
• Atlantic victory — Most American and British capital ships are sunk, though a surviving Hunter Killer Group of three battleships and four battlecruisers escapes the German blockade. 1672

Notable Quotes

“Caliber is truth.” — Oscar on capital-ship armament doctrine 43

“This decisive battle with the British Navy may well be the peak of the Dreadnought era—and its final battle.” — Admiral Reinhard Scheer 409